fix delete command
fix tests for branch:delete
Merge pull request #55 from cordoval/fix-delete-branch

This PR was merged into gushphp:master branch.

Discussion
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fix #52 gush branch:delete command now supports other_organization

                   
|Q            |A  |
|---          |---|
|Bug Fix?     |yes|
|New Feature? |no |
|BC Breaks?   |no |
|Deprecations?|no |
|Tests Pass?  |yes|
|Fixed Tickets|#52|
|License      |MIT|
|Doc PR       |na |
                   

added other_organization argument to override the username from the adapter authentication that is usually the default

Commits
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6e36d7d68b278471ceb53b68c660b58c63b3386f fix delete command cordoval
2bb833290e2729c373848957ed202841cbcb3b60 fix tests for branch:delete cordoval